function renderURLhash2(goHere){
	Hstr=window.location.hash
	if(goHere)Hstr=goHere
	for(n=1;n<6;n++){
		if(Hstr=='#dn'+n||Hstr=='dn'+n){displ(n);return}
		}
}

spanId="<span class='bTi' id='bTi"
bti="'><strong> back </strong>&nbsp;to </span>"

function displ(arg){
	for(n=1;n<7;n++){nonTarget='hi_'+n;tab="tab"+n
		if(iGI(nonTarget))S(nonTarget).display='none'
		if(G(tab).className!='nav_bg_no')G(tab).className='nav_bg'
	if(iGI(tab)){p=G(tab); p.blur()}
	}
divTarget='hi_'+arg
tabHiLi='tab'+arg
if(iGI(divTarget))S(divTarget).display='block'
G(tabHiLi).className='nav_bg_selected'

if(arg==5&&iGI("umbrellas")){G("umbrellas").data='offsite_resources.htm'}
if(GD("photos.htm")){
	spanCls="bTi"
	for(n=1;n<7;n++){spanId="bTi"+n;if(G(spanId))viz(spanId,none)}
	}
}


//writes intra-page screen-bite navigation
function js_nav(selector,ui,cls){if(cls==1){cla=""}else if(cls==3){cla="_inText"}else if(cls==-1){cla="_no"}else{cla="_selected"}
	document.write("\n<a id='tab"+selector+"' class='nav_bg"+cla+"' onclick='displ("+selector+")' href='#dn"+selector+"'>&nbsp; "+ui+" &nbsp;</a> ")
}



//stop the top of the main page scrolling and hiding the top nav when rendering other sub-pages CHECK THE DISPLAY:NONE DOESN'T KILL FUNCTION IN PC IE
function anchor(){for(n=1;n<6;n++){
	document.write("\n<a style='display:none' name='dn"+n+"'>&nbsp;</a>")}
}

//document specific - GD() = do whatever if doc loc contains string in arg - ie check if function is appropriate to calling doc
function GD(wanted){
	wstr=String(window.location) 
	result=wstr.search(wanted)
	if(result!=-1){return true}else{return false}
}